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Finding the Fourth Proportional to 123,859,341.80, 185,783,107.80 and 41,970,188.60

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Solution

The fourth proportional to 123,859,341.80, 185,783,107.80 and 41,970,188.60 is: 62,953,282.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,859,341.80 : 185,783,107.80 = 41,970,188.60 : x
  2. Step 2: Convert to fraction form
    123,859,341.80/185,783,107.80 = 41,970,188.60/x
  3. Step 3: Cross multiply
    123,859,341.80x = 185,783,107.80 × 41,970,188.60
  4. Step 4: Simplify right side
    123,859,341.80x = 7,797,352,073,060,132
  5. Step 5: Solve for x
    x = 7,797,352,073,060,132/123,859,341.80
  6. Step 6: Final answer
    x = 62,953,282.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.